Is there a large hole in your living area that is directly connected to the outside? There is if you have a traditional wood fireplace with a chimney. Top Mount Dampers are dually puprosed as they are a chimney cap and an energy-efficient way to seal off a drafty traditional fireplace. If you are tired of feeling that cold draft coming down your chimney, a Top Sealing Damper is perfect for you. We also offer a variety of other dampers including stove pipe dampers, chimney balloons, damper handles, and more.